Abstract
IN a previous letter to NATURE1 under this title, we gave values for the refractive index of phenyldi-iodoarsine as measured by us. Our attention has now been directed to the fact that the properties of this compound had already been accurately measured and published in a valuable paper on ” The Optical Properties of Arsenic” by Gryszkiewitz–Trochimowski and Sikorski2 which had appeared six years previously. We had unfortunately overlooked this paper owing to the fact that in none of the abstracts or collective indexes which we consulted as a guide to the relevant literature was there any mention of the above compound in connexion with these authors. The figures for phenyldi-iodoarsine given by the Polish workers (nD14.5 1.8527 ; d414.5 2.6264) are higher than those we communicated, but agree closely with those we have recently obtained with the purer samples now commercially available
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References
NATURE, 133, 66 (1934).
Gryszkiewitz-Trochimowski and Sikorski, Roczniki Chemji, 8, 405 (1928).
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ANDERSON, B., PAYNE, C. Liquids of High Refractive Index. Nature 138, 168 (1936). https://doi.org/10.1038/138168b0
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DOI: https://doi.org/10.1038/138168b0
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